This DOOM 3 movie, which debuted on G4TechTV (and put on Fileshack July 17th 2004), runs for nearly three minutes showing ingame- and interview footage.
Some of the interview footage is from the "History of Doom 3"
piece. This piece is a short wrapup of the game.
Interviewee's are Robert A. Duffy (Lead Programmer), Kevin Cloud (Artist/Co-Owner), Tim Willits (Lead Designer), John Carmack (Technical Director/Co-Owner) and Jim Black (Development Relations Account Manager).
[Thanks to Fileshack for the video source]